Assertion (A): | A glass tube partially filled with water represents an open organ pipe. |
Reason (R): | The open end corresponds to an antinode and the end in contact with water, to a node. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
1. | 2. | ||
3. | 4. |
1. | 2. | ||
3. | 4. |
1. | 2. | ||
3. | 4. |
A string of length is fixed at both ends and is vibrating in second harmonic. The amplitude at antinode is mm. The amplitude of a particle at a distance from the fixed end is:
1.
2.
3.
4.
In a guitar, two strings and made of same material are slightly out of tune and produce beats of frequency . When tension in is slightly decreased, the beat frequency increases to . If the frequency of is , the original frequency of will be:
1. | 2. | ||
3. | 4. |
The length of the string of a musical instrument is cm and has a fundamental frequency of Hz. Where should it be pressed to produce a fundamental frequency of Hz?
1. | cm | 2. | cm |
3. | cm | 4. | cm |
1. | m/s | 2. | m/s |
3. | m/s | 4. | m/s |